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Discussion Starter · #1 ·
Just purchased a 04 2500. There's a black plastic box beside the power steering pump. What is it? I tried to open it but, it didn't want to. I thought maybe it was the heater cord. Thanks!
 

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THe only thing i can think of that is in that area is the ecm(engine controle module) and the tcm (trans controle module) is on the fan shroud in front of that!

BTW, WElcome to the site! What part of PA are you from?
 

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the heater cord is on the passenger side. Just follow the batter cords down an you should find it taped there.
 

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Discussion Starter · #4 ·
York Springs, displaced from Macon, Ga. Its my first heavy truck, we're getting a camper. Was told to go overkill and the travel would be more fun.
 
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